Remove some extraneously chained calls in the stubbing for the notification subscription tests
Remove some extraneously chained calls in the stubbing for the notification subscription tests

daguar/cityvoice,codeforgso/cityvoice,ajb/cityvoice,codeforamerica/cityvoice,codeforamerica/cityvoice,ajb/cityvoice,ajb/cityvoice,codeforgso/cityvoice,codeforgso/cityvoice,codeforgso/cityvoice,daguar/cityvoice,daguar/cityvoice,codeforamerica/cityvoice,daguar/cityvoice,codeforamerica/cityvoice,ajb/cityvoice